Question

Na figura temos DE//BC qual e o valor de x

Answer 1

Aplicando o teorema de tales, obtemos:

$\frac{4+8}{24}=\frac{8}{x}\\\\12x=8.24\\\\x=\frac{8.24}{12}\\\\x=8.2\\\\x=16$

Logo, x=16. Letra D;